<div *ngIf="lastMessage"
     class="bg-info text-white p-2 text-center"
     [class.bg-danger]="lastMessage.error">
    <h4>{{lastMessage.text}}</h4>
</div>
<div class="text-center my-2">
    <button *ngFor="let resp of lastMessage?.responses; let i = index"
            (click)="resp[1](resp[0])"
            class="btn btn-primary m-2" [class.btn-secondary]="i > 0">
        {{resp[0]}}
    </button>
</div>
